Antique radios, Old Time Radios
RK65
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Country:
United States of America (USA)
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| Identical to |
RK65
= 5D23
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| Filament |
Vf 5 Volts / If 14 Ampere / Direct |
| Description |
Power tetrode, thoriated tungsten filament, tantalum plate and grids, hard glass bulb. 215W anode dissipation; up to 60MHz full ratings operation, up to 140MHz with reduced ratings and forced air cooling. Plate to the top cap and grids to two side contacts; Jumbo 4-pin bayonet base.
Plate shows a yellowish-red color when operated at maximum ratings.
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Dimensions (WHD)
incl. pins / tip |
72 x 184 x mm / 2.83 x 7.24 x inch |
| Information source |
- - Manufacturers Literature
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RK65: ARRL Handbook 1972
Anonymous 10 Collector
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RK65: Manufacturer's Literature
Emilio Ciardiello
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